🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.7

Radius: 9.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.7 AU - 0.74 AU

Year: 394 Days

Day: 10.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 92,787,286 km

• M1: 124,765 km (0.089 R)
• M2: 449,093 km (0.098 R)
• M3: 1,460,225 km (0.07 R)
• M4: 1,957,638 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.9

Radius: 8.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.62 AU - 1.02 AU

Year: 479 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,787,286 km

• M1: 109,506 km (0.095 R)
• M2: 426,653 km (0.111 R)
• M3: 808,277 km (0.039 R)
• M4: 1,202,019 km (0.047 R)
• M5: 1,543,850 km (0.086 R)
• M6: 2,347,490 km (0.08 R)
• M7: 2,662,543 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 10.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.13 AU - 1.59 AU

Year: 1024 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,787,286 km

• M1: 133,292 km (0.114 R)
• M2: 510,727 km (0.063 R)
• M3: 945,459 km (0.101 R)
• M4: 1,534,126 km (0.04 R)
• M5: 1,908,869 km (0.112 R)
• M6: 2,552,140 km (0.114 R)
• M7: 2,891,727 km (0.08 R)
• M8: 3,297,885 km (0.057 R)
• M9: 3,689,383 km (0.116 R)
• M10: 4,027,623 km (0.103 R)
• M11: 4,925,510 km (0.081 R)
• M12: 5,337,054 km (0.089 R)
• M13: 6,304,802 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.9

Radius: 11.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.57 AU - 7.29 AU

Year: 9324 Days

Day: 11.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,787,286 km

• M1: 149,747 km (0.049 R)
• M2: 648,058 km (0.068 R)
• M3: 1,551,031 km (0.094 R)
• M4: 2,255,038 km (0.116 R)
• M5: 2,790,000 km (0.064 R)
• M6: 3,161,751 km (0.064 R)
• M7: 3,855,885 km (0.062 R)
• M8: 4,319,489 km (0.052 R)
• M9: 4,746,441 km (0.119 R)
• M10: 6,258,277 km (0.102 R)
• M11: 7,722,840 km (0.096 R)
• M12: 10,207,063 km (0.083 R)
• M13: 21,116,637 km (0.106 R)
• M14: 22,003,603 km (0.086 R)
• M15: 22,844,343 km (0.103 R)
• M16: 24,664,500 km (0.056 R)
• M17: 25,342,777 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.2

Radius: 5.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.31 AU - 8.99 AU

Year: 13662 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,787,286 km

• M1: 70,760 km (0.052 R)
• M2: 246,238 km (0.1 R)
• M3: 498,161 km (0.069 R)
• M4: 1,438,683 km (0.1 R)
• M5: 4,545,980 km (0.109 R)
• M6: 12,047,266 km (0.111 R)
• M7: 12,940,665 km (0.081 R)
• M8: 18,380,492 km (0.115 R)
• M9: 21,529,677 km (0.076 R)
• M10: 22,982,870 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.4

Radius: 3.3

Gravity: 88.1 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 8.13 AU - 13.37 AU

Year: 22758 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 92,787,286 km

• M1: 48,919 km (0.066 R)
• M2: 154,684 km (0.099 R)
• M3: 335,698 km (0.052 R)
• M4: 937,231 km (0.095 R)
• M5: 1,083,388 km (0.03 R)
• M6: 1,928,167 km (0.071 R)
• M7: 2,143,139 km (0.097 R)
• M8: 2,595,673 km (0.112 R)
• M9: 2,750,955 km (0.115 R)
• M10: 2,967,573 km (0.113 R)
• M11: 3,404,399 km (0.098 R)
• M12: 6,527,254 km (0.1 R)
• M13: 7,941,553 km (0.079 R)
• M14: 10,952,509 km (0.111 R)
• M15: 12,128,049 km (0.08 R)
• M16: 13,006,787 km (0.035 R)
• M17: 16,503,936 km (0.063 R)
• M18: 17,489,637 km (0.043 R)
• M19: 18,230,745 km (0.11 R)
• M20: 21,614,648 km (0.06 R)
• M21: 22,252,234 km (0.102 R)
• M22: 23,342,504 km (0.095 R)
• M23: 24,812,602 km (0.104 R)
• M24: 25,984,552 km (0.104 R)
• M25: 27,686,676 km (0.118 R)
• M26: 28,819,132 km (0.108 R)
• M27: 31,581,158 km (0.093 R)
• M28: 36,717,301 km (0.101 R)
• M29: 38,391,002 km (0.058 R)
• M30: 39,797,671 km (0.094 R)
• M31: 44,734,550 km (0.091 R)
• M32: 53,264,023 km (0.052 R)
• M33: 61,325,553 km (0.075 R)
• M34: 64,765,257 km (0.061 R)
• M35: 65,204,177 km (0.096 R)
• M36: 66,309,855 km (0.032 R)
• M37: 69,014,285 km (0.083 R)
• M38: 75,608,858 km (0.079 R)
• M39: 76,339,345 km (0.096 R)
• M40: 84,426,456 km (0.086 R)
• M41: 84,688,103 km (0.12 R)
• M42: 89,217,029 km (0.106 R)
• M43: 89,488,399 km (0.062 R)
• M44: 91,955,118 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 12,169 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit